Aluminium‑Ion Battery Prototype
GMG, in collaboration with the University of Queensland, has developed a graphene aluminum-ion (G+AI) pouch cell prototype. As of September 2023, the battery achieved over 500 mAh capacity at ~2 V, with plans to scale to 1 000 mAh by mid‑2025. This tech boasts high‐power density and safety benefits, with multiple global partners expressing interest.
Innovating High-Power Energy Storage with Graphene Aluminium-Ion Batteries
GMG and the University of Queensland set out to advance battery technology by combining graphene materials with aluminum-ion chemistry. This collaboration aims to overcome the limitations of conventional lithium-ion batteries—such as safety risks and limited power density—by creating a safer, faster-charging battery with competitive capacity and scalability. The prototype, achieving over 500 mAh capacity at ~2 V, demonstrates the viability of this technology with plans to reach 1,000 mAh capacity by mid-2025.
Designing and Developing the Graphene Aluminum-Ion Pouch Cell
Step 1: Graphene Material Optimization
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Researchers refined graphene production to create high-quality sheets with optimal conductivity and surface properties tailored for aluminum-ion battery electrodes.
Step 2: Aluminum-Ion Battery Chemistry Integration
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The team integrated aluminum-ion electrolyte and cathode materials with graphene electrodes to create a stable and efficient electrochemical cell.
Step 3: Prototype Fabrication and Assembly
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Pouch cells were assembled in controlled environments, focusing on balancing capacity, voltage, and cycle life while ensuring safe operation.
Step 4: Performance Testing and Benchmarking
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Extensive testing evaluated the prototype’s charge capacity, voltage stability, power density, and safety under various load conditions.
Promising Capacity and Safety with Commercial Potential
Over 500 mAh Capacity at ~2 V
The prototype exhibits competitive capacity for emerging battery technologies, sufficient for multiple low- to mid-power applications
High Power Density
The G+AI battery delivers rapid charge/discharge capabilities, suitable for devices requiring quick bursts of energy.
Enhanced Safety Profile
Aluminum-ion chemistry combined with graphene electrodes reduces risks such as thermal runaway and flammability compared to lithium-ion batteries.
Strong Industry Interest and Scalability
Multiple global partners have expressed interest, supporting the goal to scale production to 1,000 mAh capacity by mid-2025.
A New Frontier in Energy Storage with Graphene Aluminium-Ion Batteries
The GMG and University of Queensland collaboration demonstrates the transformative potential of graphene aluminum-ion batteries. This prototype highlights the advantages of combining novel materials and chemistry for safer, high-performance energy storage. With ongoing development and scaling efforts, this technology is poised to play a significant role in powering future electronics and industrial applications.
